| Acronym | Meaning |
| OSTPC | Open Systems Transition Planning Committee |
| ASCE | American Society Of Civil Engineers |
| AMSR | Advanced Microwave Scanning Radiometer |
| METEOSAT | Meteorological Satellite |
| TIGCM | Thermosphere-ionosphere General Circulation Model |
| UEDS | Unidata Experimental Data Service |
| AQSM | Air Quality Simulation Model |
| FE | Front-end |
| CDIS | Command And Data Interface Simulator Unit |
| ADR | Audit Discrepancy Report |